#banner #thumbs .proposition{ background: url("proposition.jpg") no-repeat; width:188px; height:411px}
#banner #thumbs .proposition:hover{ background: url("proposition-hover.jpg") no-repeat; width:188px; height:411px}

#banner #thumbs .servicess{ background: url("services.jpg") no-repeat; width:188px; height:411px}
#banner #thumbs .servicess:hover{ background: url("services-hover.jpg") no-repeat; width:188px; height:411px}

#banner #thumbs .aboutt{ background: url("about.jpg") no-repeat; width:188px; height:411px}
#banner #thumbs .aboutt:hover{ background: url("about-hover.jpg") no-repeat; width:188px; height:411px}

#banner #thumbs .contactt{ background: url("contact.jpg") no-repeat; width:188px; height:411px}
#banner #thumbs .contactt:hover{ background: url("contact-hover.jpg") no-repeat; width:188px; height:411px}